WO2015090509A1 - Mousse polymère - Google Patents

Mousse polymère Download PDF

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Publication number
WO2015090509A1
WO2015090509A1 PCT/EP2014/003165 EP2014003165W WO2015090509A1 WO 2015090509 A1 WO2015090509 A1 WO 2015090509A1 EP 2014003165 W EP2014003165 W EP 2014003165W WO 2015090509 A1 WO2015090509 A1 WO 2015090509A1
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WO
WIPO (PCT)
Prior art keywords
polymer
composition
formula
weight
essentially amorphous
Prior art date
Application number
PCT/EP2014/003165
Other languages
English (en)
Inventor
Jan-Erik Wegner
Patrizia SCHOLZ
Hendrik KAMMLER
Frank William NEUBER III
Kirk J. JACOBS
Original Assignee
Clariant International Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Clariant International Ltd filed Critical Clariant International Ltd
Priority to KR1020167019162A priority Critical patent/KR102286988B1/ko
Priority to CN201480068463.XA priority patent/CN105980467B/zh
Priority to BR112016013692A priority patent/BR112016013692A2/pt
Priority to ES14811769T priority patent/ES2774336T3/es
Priority to JP2016539100A priority patent/JP2017504682A/ja
Priority to SG11201604794WA priority patent/SG11201604794WA/en
Priority to MX2016007871A priority patent/MX2016007871A/es
Priority to RU2016128919A priority patent/RU2016128919A/ru
Priority to CA2933928A priority patent/CA2933928C/fr
Priority to EP14811769.0A priority patent/EP3083802B1/fr
Publication of WO2015090509A1 publication Critical patent/WO2015090509A1/fr

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/20—Carboxylic acid amides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0014—Use of organic additives
    • C08J9/0023—Use of organic additives containing oxygen
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F112/00—Homopolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
    • C08F112/02—Monomers containing only one unsaturated aliphatic radical
    • C08F112/04—Monomers containing only one unsaturated aliphatic radical containing one ring
    • C08F112/06—Hydrocarbons
    • C08F112/08—Styrene
    • C—CHEMISTRY; METALLURGY
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    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/20—Compounding polymers with additives, e.g. colouring
    • C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0014—Use of organic additives
    • C08J9/0028—Use of organic additives containing nitrogen
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
    • C08J9/08—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing carbon dioxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/122—Hydrogen, oxygen, CO2, nitrogen or noble gases
    • C—CHEMISTRY; METALLURGY
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    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
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    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
    • C08J9/141—Hydrocarbons
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
    • C08J9/142—Compounds containing oxygen but no halogen atom
    • C—CHEMISTRY; METALLURGY
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    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/16—Making expandable particles
    • C—CHEMISTRY; METALLURGY
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    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/22—After-treatment of expandable particles; Forming foamed products
    • C08J9/228—Forming foamed products
    • C08J9/232—Forming foamed products by sintering expandable particles
    • C—CHEMISTRY; METALLURGY
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    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • C08K5/0083—Nucleating agents promoting the crystallisation of the polymer matrix
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08J2201/00—Foams characterised by the foaming process
    • C08J2201/02—Foams characterised by the foaming process characterised by mechanical pre- or post-treatments
    • C08J2201/022—Foams characterised by the foaming process characterised by mechanical pre- or post-treatments premixing or pre-blending a part of the components of a foamable composition, e.g. premixing the polyol with the blowing agent, surfactant and catalyst and only adding the isocyanate at the time of foaming
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2201/00—Foams characterised by the foaming process
    • C08J2201/02—Foams characterised by the foaming process characterised by mechanical pre- or post-treatments
    • C08J2201/024—Preparation or use of a blowing agent concentrate, i.e. masterbatch in a foamable composition
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2201/00—Foams characterised by the foaming process
    • C08J2201/02—Foams characterised by the foaming process characterised by mechanical pre- or post-treatments
    • C08J2201/03—Extrusion of the foamable blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/02—CO2-releasing, e.g. NaHCO3 and citric acid
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/06—CO2, N2 or noble gases
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/12—Organic compounds only containing carbon, hydrogen and oxygen atoms, e.g. ketone or alcohol
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2205/00—Foams characterised by their properties
    • C08J2205/04—Foams characterised by their properties characterised by the foam pores
    • C08J2205/044—Micropores, i.e. average diameter being between 0,1 micrometer and 0,1 millimeter
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08J2205/00—Foams characterised by their properties
    • C08J2205/04—Foams characterised by their properties characterised by the foam pores
    • C08J2205/052—Closed cells, i.e. more than 50% of the pores are closed
    • C—CHEMISTRY; METALLURGY
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    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2300/00—Characterised by the use of unspecified polymers
    • C08J2300/30—Polymeric waste or recycled polymer
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2325/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
    • C08J2325/02—Homopolymers or copolymers of hydrocarbons
    • C08J2325/04—Homopolymers or copolymers of styrene
    • C08J2325/06—Polystyrene
    • C—CHEMISTRY; METALLURGY
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    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2325/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
    • C08J2325/02—Homopolymers or copolymers of hydrocarbons
    • C08J2325/04—Homopolymers or copolymers of styrene
    • C08J2325/08—Copolymers of styrene
    • C—CHEMISTRY; METALLURGY
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    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08J2327/06—Homopolymers or copolymers of vinyl chloride
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C08J2333/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
    • C08J2333/06—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C08J2333/10—Homopolymers or copolymers of methacrylic acid esters
    • C08J2333/12—Homopolymers or copolymers of methyl methacrylate
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    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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    • C08J2369/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
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    • C08J2381/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen, or carbon only; Polysulfones; Derivatives of such polymers
    • C08J2381/06—Polysulfones; Polyethersulfones

Definitions

  • the present invention relates to compositions for the preparation of a polymeric foam with improved thermal properties, and to a foamed polymeric article obtainable therefrom, and to a method for preparing such a polymeric foam or article.
  • IAA infrared attenuation agent
  • An effective infrared attenuation agent favors increased reflection and absorption and decreased transmission of heat radiation as much as possible.
  • inorganic materials have been used as IAA to reduce the portion of heat radiation. This includes, for example, graphite, aluminum, stainless steel, cobalt, nickel, carbon black, and titanium dioxide. As an example for several documents describing lAA's, US 7,605,188 can be cited.
  • nucleating agents and clarifiers are commonly used in industrial practice in combination with crystallizable thermoplastic polymers to reduce processing cycle times or to impart improved physico-chemical characteristics, such as various optical, surface and mechanical properties, as well as to reduce mold shrinkage.
  • the problem of the present invention is to provide a polymeric foam with
  • compositions comprising an at least essentially amorphous polymer and a nucleating agent of formula (1).
  • the subject of the present invention is a composition for the preparation of a polymeric foam, and in particular a masterbatch composition, comprising
  • an at least essentially amorphous polymer resin selected from the group consisting of poly(methyl methacrylate) (PMMA), polyvinyl chloride (PVC), polystyrene (PS), polystyrene copolymers polycarbonate (PC), polysulfone, poly(ether sulfone) (PES), poly(p-phenylene ether) (PPE), polyethylene terephthalate glycol-modified (PETG), and mixtures or blends thereof; nucleating agent of formula (1)
  • X, Y, and Z independently of each other denote -CONHR or -NHCOR, wherein each R independently is selected from the group consisting of iso-propyl, tert-butyl, 3-pentyl, neopentyl, iso-pentyl, phenyl,
  • a preferred nucleating agent is selected from the group consisting of a
  • R 1 , R 2 and R 3 are independently of one another selected from the group consisting of iso-propyl, tert-butyl, 3-pentyl, neopentyl, iso-pentyl, phenyl, 4-methylphenyl, 3,4-dimethylphenyl, 3,5-dimethylphenyl, cyclopentyl, cyclohexyl, and 1-adamantyl.
  • Polystyrene copolymers in the sense of the present invention are high impact polystyrene (HIPS), styrene-butadiene copolymers (SBR), styrene-butadiene- styrene copolymers (SBS), styrene-isoprene-styrene copolymers (SIS),
  • HIPS high impact polystyrene
  • SBR styrene-butadiene copolymers
  • SBS styrene-butadiene- styrene copolymers
  • SIS styrene-isoprene-styrene copolymers
  • SEBS poly(styrene-ethylene/butylene-styrene)
  • SEPS styrene-ethylene/propylene- styrene copolymers
  • ABS acrylonitrile-butadiene-styrene copolymers
  • SAN styrene-acrylonitrile copolymers
  • composition comprising at least 80 % by weight of an at least essentially amorphous polymer resin and at least one nucleating agent of formula (1) will afford a polymeric foam with significantly smaller cell sizes and with improved insulation properties. It seems that the nucleating agents of the present invention have a beneficial influence on the reduction of thermal conductivity, the foam structure, and the cell structure of the polymeric foam, the surface quality, as well as on the mechanical properties of the polymeric foam.
  • the cell size in the polymeric foam obtainable from the composition according to the present invention is significantly reduced in comparison with conventional polymeric foams. Due to the small cell size, the polymeric foam according to the present invention has significantly better mechanical properties, such as
  • the polymeric foam obtainable from the composition according to the present invention has a remarkably reduced thermal conductivity (about 3 to 10 %
  • the insulating effect provided by the polymeric foam is remarkably increased. Furthermore, the presence of the nucleating agent according to the present invention surprisingly results in improved production speeds.
  • an article made of the polymeric foam of the present invention has a very smooth surface.
  • amorphous means that there is no melting point and only a glass transition point measurable by DSC.
  • at least essentially amorphous polymer means that a portion of 5 wt-% or less of the polymer has a crystalline region and that a portion of at least 95 wt-% of the polymer has an amorphous region.
  • the "at least essentially amorphous polymer resin" used in the composition of the present invention comprises at least 80 % by weight of such an at least essentially amorphous polymer and may additionally comprise 0 to 20 % by weight of a semi- crystalline or crystalline polymer blended or mixed thereto.
  • the "at least essentially amorphous polymer resin” comprises at least 90 % by weight of said at least essentially amorphous polymer, more preferably at least 95 % by weight of said at least essentially amorphous polymer, and most preferably 100 % by weight of said at least essentially amorphous polymer.
  • Trisamide-based nucleating agents of formula (I) have previously been used as nucleating agent to control polymer crystal growth in isotactic polypropylene (i-PP) (EP 1 366 116).
  • R 1 , R 2 and R 3 of the nucleating agent are selected from the group consisting of iso-propyl, tert-butyl, phenyl, cyclopentyl, and cyclohexyl. More preferably, R 1 , R 2 and R 3 are each tert-butyl.
  • R 1 , R 2 and R 3 of the nucleating agent are preferably all the same. This allows for a simple and cost-efficient synthesis of the nucleating agent.
  • 1 ,3,5-tris(2,2-dimethylpropanamido) benzene(VI) is used as the nucleating agent.
  • the composition of the present invention comprises polystyrene (PS).
  • PS polystyrene
  • Polystyrene is a synthetic aromatic polymer made from the monomer styrene, a liquid petrochemical. It is a very inexpensive resin per unit weight. Polystyrene is one of the most widely used plastics, the scale of its production being several billion kilograms per year.
  • Polystyrene foams tend to be good thermal insulators and are therefore often used as building insulation materials, such as in insulating concrete forms and structural insulated panel building systems. They are also used for non-weight-bearing architectural structures (such as ornamental pillars). PS foams also exhibit good damping properties, and are therefore widely used in packaging. Extruded closed- cell polystyrene foam is sold under the trademark ⁇ Styrofoam by Dow Chemical Company, for instance.
  • the polymer resin in the composition of the present invention is preferably the polymer resin in the composition of the present invention
  • An essentially amorphous polystyrene homopolymer is particularly preferred.
  • amorphous polystyrene has preferably a melt flow index (MFI) of 0.5 to 50 (5 kg/200 °C), more preferably an MFI of 1 to 25 (5 kg/200 °C), and most preferably an MFI of 3 to 11 (5 kg/200 °C).
  • MFI melt flow index
  • the essentially amorphous polystyrene has an average molecular weight of 30 to 500 kDa, more preferably of 100 to 400 kDa, and most preferably of 150 to 300 kDa.
  • the composition of the present invention may also comprise a mixture of a polystyrene having an average molecular weight of 30 to 500 kDa (preferably 80 to 99 % by weight) and a polystyrene having an average molecular weight of more than 1 ⁇ 00 kDa (preferably 1 to 20 % by weight).
  • a polystyrene having an average molecular weight of 30 to 500 kDa preferably 80 to 99 % by weight
  • a polystyrene having an average molecular weight of more than 1 ⁇ 00 kDa preferably 1 to 20 % by weight
  • the composition comprises ultra high molecular weight polystyrene, which preferably has an average molecular weight of 1 '200 to 3'500 kDa.
  • composition of the present invention may also comprise a recycled polymer resin, such as recycled polystyrene.
  • a recycled polymer resin such as recycled polystyrene.
  • the at least essentially amorphous polymer resin may comprise up to 100 % of a recycled resin, preferably 0 to 20 %, more preferably 5 to 20 % by weight of the total polymer resin content.
  • At least part of the at least essentially amorphous polystyrene is recycled polystyrene.
  • the recycled polystyrene may be, for example, post- consumer recycled polystyrene or post-production recycled polystyrene.
  • composition of the present invention may also contain further additives as hereinafter described, alone or in combination.
  • the composition the present invention additionally comprises an inorganic nucleating agent.
  • an inorganic nucleating agent is preferably selected from the group consisting of talc, e.g. nano-talc, clay, e.g. nano-clay, Halloysite clay, or
  • Talc has preferably an average particle size x50 of smaller than 10 pm and x98 of smaller than 30 pm, preferably an average particle size x50 of smaller than 7 pm and x98 of smaller than 21 pm, more preferably an average particle size x50 of smaller than 2 pm and x98 of smaller than 6 pm.
  • Preferred inorganic nucleating agents are magnesium-based fibers - in particular Hyperform ® HPR 803i - and talc with an average particle size x50 of smaller than 2 pm and x98 of smaller than 6 pm.
  • the composition of the present invention further comprises a blowing agent.
  • blowing agents include non-hydrocarbon blowing agents, organic blowing agents, chemical blowing agents, and
  • blowing agents is, for example, a non-hydrocarbon and a chemical blowing agent, or an organic and a chemical blowing agent, or a non-hydrocarbon, an organic, and a chemical blowing agent.
  • Suitable non-hydrocarbon blowing agents include carbon dioxide, nitrogen, argon, water, air, nitrous oxide, helium, and combinations thereof. Most preferably, the non-hydrocarbon blowing agent is carbon dioxide.
  • Suitable organic blowing agents include aliphatic hydrocarbons having
  • aliphatic alcohols having 1 - 3 carbon atoms, aliphatic ketones having 1 - 3 carbon atoms, aliphatic esters having 1-3 carbon atoms, aliphatic ethers having 1 - 4 carbon atoms, fully and partially halogenated aliphatic hydrocarbons having 1 - 4 carbon atoms, and combinations thereof.
  • Preferred aliphatic hydrocarbons include methane, ethane, propane, n-butane, isobutane, n-pentane, isopentane, cyclopentane, neopentane, and petroleum ether.
  • Preferred aliphatic alcohols include methanol, ethanol, n-propanol, and isopropanol.
  • Preferred aliphatic ketones include acetone.
  • Preferred aliphatic esters include methyl formate.
  • Preferred aliphatic ethers include diethyl ether and dimethyl ether.
  • Preferred fully and partially halogenated aliphatic hydrocarbons include
  • chlorofluorocarbons and fluorocarbons are 1 ,1 ,1 ,4,4,4-hexafluoro-2-butene, 1 , 1 -dichloro-1 -fluoro-ethane, 2,2-dichloro-1 ,1 ,1 -trifluoroethane, 1 -chloro-1 ,2- difluoro-ethane (HCFC-142a), 1 -chloro-1 , 1-difluoroethane (HCFC-142b),
  • HFC-152a 1 ,1-difluoroethane
  • HFC-134a 1 ,1 ,1 ,2-tetrafluorethane
  • R22 chlorodifluoromethane
  • the aliphatic hydrocarbons or the fully and partially halogenated aliphatic hydrocarbons can also be encapsulated in microspheres (e.g. available from Akzo Nobel as Expancel ® ).
  • Preferred organic blowing agents are n-butane, iso-butane, ethanol, isopropanol, dimethyl ether, and mixtures thereof.
  • Preferred addition ratios are 0 to 10 wt-%, more preferably 0.1 to 5 wt-%, most preferably 0.5 to 4 wt-%, of the blowing agent based on the total weight of the composition.
  • Preferred mixtures contain carbon dioxide as non-hydrocarbon blowing agent and ethanol, isopropanol, dimethyl ether or mixtures thereof as organic blowing agent.
  • Suitable chemical blowing agents include azocarbonate-based and hydrazide- based compounds, such as azodicarbonamide, azodiisobutyronitrile,
  • Preferred organic acids and acid derivatives include oxalic acid and oxalic acid derivatives, succinic acid and succinic acid derivatives, adipic acid and adipic acid derivatives, phthalic acid and phthalic acid derivatives, and citric acid and citric acid derivatives. More preferred are citric acid, citric acid salts, and citric acid esters, and mixtures thereof.
  • Preferred citric acid esters are those of higher alcohols, such as stearyl or lauryl citrate, and both mono- and diesters of citric acid with lower alcohols having 1-8 carbon atoms.
  • Suitable lower alcohols from which these citric acid esters can be formed are, for example: Methanol, ethanol, propanol, isopropanol, n-butanol, iso-butanol, sec-butanol, tert-butanol,
  • diols or polyols with 1 - 8 carbon atoms may be used, such as ethylene glycol, glycerol, pentaerythritol or lower polyethylene glycols, for example diethylene glycol, triethylene glycol or
  • the mono- or diesters with monohydric alcohols having 1 - 6 carbon atoms are preferred and the mono- or diesters with monohydric alcohols having 1-4 carbon atoms are most preferred.
  • the monoesters such as monomethyl citrate, monoethyl citrate, monopropyl citrate, monoisopropyl citrate, mono-n-butyl citrate, and mono-tert-butyl citrate are particularly preferred.
  • Further preferred chemical blowing agents are alkali or earth alkali metal carbonates, alkali or earth alkali metal bicarbonates, such as calcium carbonate, magnesium carbonate, calcium bicarbonate, magnesium bicarbonate, ammonium bicarbonate, sodium carbonate, potassium carbonates. More preferred are calcium bicarbonate, sodium bicarbonate, and mixtures thereof.
  • the composition of the present invention comprises a blowing agent selected from the group consisting of CO 2 , n-butane, iso-butane, ethanol, isopropanol, dimethyl ether, citric acid, sodium bicarbonate, and mixtures thereof.
  • the composition of the present invention additionally comprises a carbon based IR absorber or a non-carbon based IR absorber to further improve the thermal properties of the foam.
  • Possible carbon based IR absorbers are, for example, carbon black, activated carbon, graphite, carbon nanotubes, graphene, thermally reduced oxidized graphite, or graphene oxide. Especially preferred are graphite and graphene, in particular graphite.
  • the composition comprises the carbon based or non-carbon based IR absorber in an amount of 0 to 4 % by weight, more preferably 0.1 to 3 % by weight, relative to the total weight of the composition.
  • the composition of the present invention comprises no carbon based IR absorbers.
  • foams are perfectly white and no grey or silver shade can be observed. This is particularly advantageous because it allows for producing final articles in bright and very clean colors, e.g. bright orange, green or pink.
  • composition of the present invention may further comprise a compound with flame retardant characteristics, said flame retardant preferably being selected from the group consisting of hexabromocyclododecane (HBCD), brominated polymeric flame retardants, preferably brominated polystyrene- polybutadiene block copolymers with 50 to 80 wt.-% Br content (e.g. Emerald InnovationTM 3000 from Chemtura), aluminum trihydroxide, magnesium
  • Preferred flame retardants are HBCD and brominated polystyrene-polybutadiene block copolymers with 50 to 80 wt.-% Br content.
  • composition of the present invention may further comprise a cell stabilizer, such as erucamide, glycerol monostearate or glycerol tristearate.
  • a cell stabilizer such as erucamide, glycerol monostearate or glycerol tristearate.
  • composition of the present invention may further comprise a plasticizer.
  • plasticizers include acrylates, fully acetylated glycerol monoester on 12-hydroxystearic acid, fully acetylated glycerol monostearate, and mixtures thereof, as well as lower molecular weight homopolymers and
  • copolymers of acrylates Preferred are copolymers of butyl acrylate with acrylic acid and its salts, amides and esters, with methacrylates, acrylonitrile, maleic acid esters, vinyl acetate, vinyl chloride, vinylidene chloride, styrene, butadiene, unsaturated polyesters, and drying oils. More preferred are copolymers of butyl acrylate with styrene, especially those with molecular weights lower than 80 kDa, even more preferred with molecular weights lower than 5 kDa.
  • composition of the present invention may further comprise an anti- dripping agent, which is preferably a fluorocarbon powder, in particular
  • PTFE polytetrafluoroethylene
  • composition of the present invention may further comprise customary additives in a concentration range that does not adversely affect the beneficial effect of the invention, e.g. 0.0001 to 15 % by weight, preferably 0.01 to 10 % by weight, especially 0.1 to 5 % by weight, based on the total weight of the invention
  • Suitable customary additives include colorants, pigments, dyes, stabilizers, antioxidants, antibacterial agents, thermostabilizers, light stabilizers, neutralizers, antistatic agents, antiblocking agents, optical brighteners, heavy metal inactivation agents, hydrophobic agents, peroxides, water scavengers, acid scavengers, hydrotalcites, elastomers, impact modifiers, processing aids and the like, and also mixtures thereof.
  • composition of the present invention is preferably selected from the group consisting of a masterbatch composition and a final composition.
  • a "masterbatch composition”, as used throughout this application, is a concentrate comprising the full amount of the active agent, e.g. nucleating agent, together with a reduced amount of the at least essentially amorphous polymer or with a suitable carrier.
  • a masterbatch composition is intended to be added to more of the at least essentially amorphous polymer resin.
  • composition of the present invention may comprise the nucleating agent in a relative amount of 0.001 to 20 % by weight of the total weight of the composition.
  • composition is a "final composition", it preferably comprises 0.001 to 0.2 % by weight of the nucleating agent of formula (1). It is also possible to use higher concentrations of the nucleating agent, however no or only little advantage has been observed.
  • composition is ahe masterbatch composition, it preferably comprises 0.1 to 20 % by weight, preferably 0.2 to 10 % by weight, more preferably 0.3 to 5 % by weight, of the nucleating agent of formula (1).
  • a concentrate will generally be added to (the rest of) the polymer prior to molding.
  • a “final composition” as used throughout this application, is a polymer
  • the final composition comprises all components and additives of the polymeric foam to be prepared therefrom, but not necessarily the gas forming the pores in the foam.
  • the final composition comprises both the at least essentially amorphous polymer and the nucleating agent in the final amounts that will also be present in the polymeric foam.
  • the final composition of the present invention comprises at least 80 % by weight of the at least essentially amorphous polymer resin, preferably at least 90 %, and more preferably at least 95 %, while the rest adding to 100 % by weight are the nucleating agents and the further optional components as specified before.
  • the preferred polymer resins and preferred nucleating agents are the same for the final composition and the polymeric foam article prepared therefrom as mentioned above for the composition in general, as well as the possible additives.
  • composition of then present invention in particular a masterbatch
  • composition can be prepared by mixing together the respective components.
  • the mixing of the components can occur in one step or in a plurality of steps.
  • mixing apparatuses for physical mixing it is possible to use the mixing
  • apparatuses customary in the plastics industry preferably an apparatus selected from the group consisting of extruders, kneaders, presses, injection-molding machines, and blade mixers.
  • Mixing preferably occurs continuously or batchwise, particularly preferably continuously.
  • Mixing is preferably carried out at a temperature of from 80 to 330 °C, more preferably of from 130 to 300 °C, even more preferably of from 180 to 295 °C, especially of from 200 to 290 °C.
  • the components are added at room temperature to a liquid Masterbatch carrier, typically an oil, and is mixed with this carrier.
  • a liquid Masterbatch carrier typically an oil
  • the mixing time is preferably of from 5 s to 10 h.
  • the mixing time in the case of continuous mixing is preferably from 5 s to 1 h, more preferably from 10 s to 15 min.
  • the mixing time in the case of batch wise mixing is preferably from 1 min to 10 h, more preferably from 2 min to 8 h, in particular from 2 min to 5 h, especially from 2 min to 1 h, particularly preferably from 2 to 15 min.
  • the present invention also refers to a foamed polymeric article comprising (i) 80 % to 98.99 % by weight of an at least essentially amorphous polymer, (ii) 0.01 % to 0.5 % by weight of a nucleating agent of formula (1),
  • the foamed polymeric article of the present invention is prepared from the composition of the present invention.
  • said polymeric foam has a closed cell content of more than 92 %, preferably more than 95% and more preferably more than 97 %, as determined by gas pycnometry (DIN EN ISO 4590).
  • a high closed cell content results in a very smooth surface as well as in a very good resistance against water ingress.
  • the cells in the polymeric foam according to the present invention have an average cell size of less than 100 ⁇ , preferably of less than 80 pm, more preferably of less than 60 pm, even more preferably of less than 50 pm, and most preferably of less than 40 pm.
  • the average cell size is generally derived from optical microscope pictures, by measuring the diameters of the foam cells and calculating their average diameter.
  • the polymeric foam of the present invention in particular if it comprises
  • polystyrene has a reduced density of more than 90 % by weight, preferably more than 94 %, more preferably more than 95 % by weight, even more preferably more than 96.5 % and most preferably more than 97 % by weight, all compared to compact (non-foamed) polystyrene.
  • such a polymeric foam has a density of 10 - 65 kg/m 3 , more preferably of 15 - 55 kg/m 3 .
  • the polymeric foam further has a cross sectional area of at least (20 x 1.2) cm 2 , preferably of at least (22.5 x 1.5) cm 2 , more preferably of at least (25 x 1.8) cm 2 in a continuous production process.
  • a board prepared from the polystyrene foam of the present invention passes the B2, even more preferably the B1 flame retardant test according to DIN 4 02.
  • the polymeric foam of the invention can be prepared by a method comprising the steps of
  • an additive as specified above, preferably a chemical blowing agent, flame retardant, inorganic nucleating agent, plasticizer, and/or colorant
  • step (b) melting the polymer composition obtained in step (a) to obtain a polymer melt; and (c) extruding the polymer melt of step (b) in an extruder in the presence of a blowing agent;
  • Steps (a) to (d) can be carried out in an extruder, such as a single screw extruder, a twin screw extruder or a Farrel continuous mixer. During said steps, the polymer resin is heated to above the melting temperature.
  • an extruder such as a single screw extruder, a twin screw extruder or a Farrel continuous mixer.
  • the polymer resin is heated to above the melting temperature.
  • non-hydrocarbon and/or organic blowing agents are added into the polymer melt in the mid section of the first extruder using high pressure or HPLC pumps, respectively.
  • the polymeric foam is prepared by a method comprising the steps of
  • step (b) heating the polymer composition obtained in step (a) to a temperature
  • blowing agents to the polymer melt expediently by using a high pressure pump
  • step (d) homogenizing the mixture obtained in step (c) and dissolving the non- hydrocarbon blowing agent and/or the one or more organic blowing agents in the polymer melt; and (e) extruding the homogenized mixture and cooling it in an extruder to form the polymeric foam by a pressure drop to ambient pressure or sub-ambient pressure at the extrusion die.
  • Steps (a) to (d) can be carried out in a first extruder, such as a single screw extruder, a twin screw extruder or a Farrel continuous mixer.
  • Step (e) may be performed in the same first extruder, or the homogenized mixture obtained in step (d) may be transferred to a second extruder prior to the extrusion of step (e).
  • the finished articles can be produced directly at the exit of the first or second extruder using an extrusion die (XPS process).
  • XPS process extrusion die
  • concentrates of the nucleating agent and optionally concentrates of the additives are prepared as separate masterbatches or in one or more masterbatches using the essentially amorphous polymer as carrier. These masterbatches are mixed and homogenized and fed together with the essentially amorphous polymer into the main throat of a first extruder,
  • the polymeric foam is prepared by a method comprising the steps of
  • the dissolved gas can be trapped into the polymer by rapid cooling and the polymer strand exiting a round extrusion die is cut into small pellets.
  • the finished article is created by expanding the small pellets to a desired shape by supplying energy, such as heat, water steam, microwaves, UV light.
  • the pellets are expanded by water steam such that they partially fuse or stick together (EPS process).
  • the polymeric foam according to the present invention is prepared by a continuous process, e.g. tandem extrusion.
  • the polymeric foam is preferably formed by an extrusion die attached to the extruder.
  • the polymeric foam of the present invention may be produced by sheet extrusion, board extrusion, profile extrusion, foamed sheet extrusion, of which in a second step deep drawn articles are made (e.g. for packaging, durable goods, wall decorations, food trays or food packaging). Furthermore, foam according to the present invention may be produced by blown films, extrusion blow molding or injection molding.
  • the polymeric foam according to the present invention may be used in an insulation board for building and construction, including, but not limited to, perimeter insulation, thermal insulation of flat roofs, floor insulation, exterior wall insulation, ceiling heat insulation, steep roof insulation, interior fitting, sandwich boards, pipe insulation, frost protection layers for buildings and transportation routes (e.g. it can be applied as insulation beneath highways, streets, bridges, or airport runways).
  • the polymeric foam of the present invention may be used in a decorative article, including, but not limited to, construction moldings, extruded profiles, component edge moldings, window frames, picture frames, casings, moldings, foamed stocks.
  • polymeric foam according to the present invention may be used in a packaging material for food or electronics, for medical goods or consumer goods.
  • polymeric foam according to the present invention may be used in automotive parts, including, but not limited to, door side parts, door handles, dashboards, interior trim parts, air intake manifolds, battery housings, engine encapsulations, air-filter housings.
  • polymeric foam according to the present invention may be used as sound insulation.
  • Determination of the density of the produced foamed boards is carried out in accordance with ISO 1183 (kg/m 3 ).
  • the average cell size (cell diameter) is derived from optical microscope pictures, by measuring the diameter of the foam cells and calculating their average diameter.
  • Determination of insulation properties is carried out using a Linseis Thermal Conductivity Meter, using the Transient Hot Bridge method (DIN EN 993-14, DIN EN 993-15), reporting the thermal conductivity Lambda in mW/(m * K).
  • Determination of the open cell content is done by gas pycnometry (DIN ISO 4590).
  • Component P General purpose Polystyrene (Styrolution ® PS 153F) with (at least essentially a Melt Volume Rate (200 °C/ 5 kg, according to ISO 1133) amorphous polymer) of 75 cm 3 /10 min
  • Component A 1 ,3,5-tris(2,2-dimethylpropanamido) benzene of
  • Component B1 Talc with an average particle size x50 of smaller than
  • Component E1 Equimolar mixture of citric acid and sodium bicarbonate
  • Component E2 Sodium bicarbonate
  • Component F1 Stabilized hexabromocyclododecane
  • Component F2 Stabilized brominated polybutadiene block copolymer with (flame retardant) a bromine content of 64 wt-% and a softening point of
  • Component H1 Copolymer of butyl acrylate with styrene with molecular (plasticizer) weights lower than 5 kDa
  • Component H2 Mixture of fully acetylated glycerol monoester on
  • component A 0.5 parts of component A and 99.5 parts of component P are homogenized together on a twin-screw extruder (temperature of the extruder: 180 to 240 °C) to afford masterbatch MB38.
  • MB1 inorganic nucleating agent
  • component B1 and 90 parts of component P are homogenized together on a twin-screw extruder (temperature of the extruder: 180 to 240 °C) to afford masterbatch MB1.
  • component E1 and 85 parts of component P are homogenized together on a twin-screw extruder (temperature of the extruder: 120 to 180 °C) to afford masterbatch MB60.
  • component E2 and 70 parts of component P are homogenized together on a twin-screw extruder (temperature of the extruder: 20 to 180 °C) to afford masterbatch MB61.
  • component F1 and 50 parts of component P are homogenized together on a twin-screw extruder (temperature of the extruder: 180 to 240 °C) to afford masterbatch MB17.
  • component F2 and 50 parts of component P are homogenized together on a twin-screw extruder (temperature of the extruder: 180 to 240 °C) to afford masterbatch MB 16.
  • component H1 and 95 parts of component P are homogenized together on a twin-screw extruder (temperature of the extruder: 180 to 240 °C) to afford masterbatch MB41.
  • component H2 5 parts of component H2 and 95 parts of component P are homogenized together on a twin-screw extruder (temperature of the extruder: 180 to 240 °C) to afford masterbatch MB44.
  • the respective masterbatches are mixed and fed together with the Polymer P into a Tandem extrusion line, consisting of a first extruder, which is a twin screw extruder with 30 mm diameter and L/D of 30 and is connected to a second extruder, which is a single screw extruder with 60 mm diameter and L/D of 30 (Berstorff Schaumtandex ZE30 / KE60).
  • the non-hydrocarbon and/or organic blowing agents are added into the polymer melt in the mid section of the first extruder using high pressure or HPLC pumps, respectively.
  • the pressure in the first extruder is between 130 and 200 bar.
  • the second extruder has a temperature controlled wide extrusion die of 150 mm width which can be varied in height between 0.5 and 2 mm.
  • the pressure at the die was 68 - 76 bar.
  • foamed insulation material of a width between 200 to 400 mm and a height between 12 and 35 mm is continuously produced at output rates of 30 to 40 kg/h. This continuous foamed material (foamed board) is cut into boards of the wished length.
  • Typical haul-off speeds of the calibrator are between 2 and 5 meter per minute.
  • a foamed board was produced using 0.3 % of MB1 , 3.5 % MB 17, 96.2 % Polymer P, 3.3 % component C, and 2.3 % component D1.
  • the cell diameter of this board was 1179 m and the foamed board density was 37 kg/m3. Open cell content 6 %.
  • a foamed board was produced using 6 % of MB38, 3.5 % MB 17, 90.5 % Polymer P, 3.3 % component C, and 2.3 % component D1.
  • the cell diameter of this board was 49 ⁇ and the foamed board density was 49 kg/m3. Open cell content 2 %.
  • the cell size was reduced from 179 m to 49 ⁇ .
  • a foamed board was produced using 6 % of MB1 , 3.5 % MB 17, 90.5 % Polymer P, 3.3 % component C, and 2.3 % component D1.
  • the cell diameter of this board was 186 ⁇ and the foamed board density was 46 kg/m3. Open cell content 3 %.
  • a foamed board was produced using 6 % of MB 38, 5.7 % of MB1 , 3.5 % MB 17, 84.8 % Polymer P, 3.3 % component C, and 2.3 % component D1.
  • the cell diameter of this board was 40 pm and the foamed board density was 53 kg/m3.
  • the thermal conductivity was reduced by 4 % compared to Comparative
  • Example 2 Open cell content 2.5 %.
  • a foamed board was produced using 6 % of MB1 , 3.5 % MB 17, 90.5 % Polymer P, 4.0 % component C, and 2.3 % component D1.
  • the cell diameter of this board was 227 pm and the foamed board density was 46 kg/m 3 .
  • a foamed board was produced using 6 % of MB 38, 5.7 % of MB , 3.5 % MB 17, 84.8 % Polymer P, 4.0 % component C, and 2.3 % component D1.
  • the cell diameter of this board was 24 pm and the foamed board density was 52 kg/m 3 .
  • a foamed board was produced using 3 % of MB1 , 3.5 % MB 17, 93.5 % Polymer P, 3.3 % component C, and 2.3 % component D1.
  • the cell diameter of this board was 280 pm and the foamed board density was 44 kg/m 3 .
  • a foamed board was produced using 4 % of MB 38, 2.8 % of MB1 , 3.5 % MB 17, 89.7 % Polymer P, 3.3 % component C, and 2.3 % component D1.
  • the cell diameter of this board was 23 pm and the foamed board density was 61 kg/m 3 .
  • a foamed board was produced using 4 % of MB 38, 0.5 % of MB60, 3 % MB 41 , 3.5 % MB 17, 89 % Polymer P, 4.0 % component C, and 2.3 % component D1.
  • the cell diameter of this board was 39 pm and the foamed board density was 46 kg/m 3 .
  • a foamed board of similar density compared to the Comparative Example 2 was produced, but the thermal conductivity was reduced by 8 %.
  • Example 6 Example 6:
  • a foamed board was produced using 3 % of MB 38, 0.5 % of MB60, 3 % MB 44, 3.5 % MB 17, 90 % Polymer P, 3.5 % component C, and 2.3 % component D1.
  • the cell diameter of this board was 46 pm and the foamed board density was 54 kg/m 3 .
  • a foamed board of similar density compared to the Comparative Example 2 was produced, but the thermal conductivity was reduced by 4 %. Open cell content 2 %.
  • a foamed board was produced using 3 % of MB 38, 0.5 % of MB61 , 3 % MB 41 , 3.5 % MB 17, 90 % Polymer P, 3.5 % component C, 2.0 % component D1 , and 1 % component D2.
  • the cell diameter of this board was 29 pm and the foamed board density was 56 kg/m 3 .
  • a foamed board of similar density compared to the Comparative Example 2 was produced, but the thermal conductivity was reduced by 8%. Open cell content 2 %.
  • a foamed board was produced using 4 % of MB 38, 0.5 % of MB60, 3 % MB 4 , 3.8 % MB 16, 88.7 % Polymer P, 4.0 % component C, and 2.3 % component D1.
  • the cell diameter of this board was 52 pm and the foamed board density was 55 kg/m 3 .

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Abstract

La présente invention concerne une composition pour la préparation d'une mousse polymère présentant des propriétés thermiques améliorées, une mousse polymère pouvant être obtenue à partir de celle-ci et un procédé de préparation de ladite mousse polymère, chacun comprenant (i) une résine polymère au moins sensiblement amorphe et (ii) un agent de nucléation. La résine polymère au moins sensiblement amorphe est de préférence du polystyrène. L'agent de nucléation est de préférence choisi dans le groupe composé d'un dérivé d'acide 1,3,5-benzènetricarboxylique, d'un dérivé d'acide 5-amino isophthalique, d'un dérivé d'acide 3,5,-diamino benzoïque, d'un 1,3,5-benzènetrisamide, d'un 2,4,6-triméthyl- 1,3,5-benzènetrisamide, et de leurs mélanges, et est de préférence 1,3,5-tris(2,2- diméthylpropanamido) benzène.
PCT/EP2014/003165 2013-12-16 2014-11-26 Mousse polymère WO2015090509A1 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
KR1020167019162A KR102286988B1 (ko) 2013-12-16 2014-11-26 중합체 포움
CN201480068463.XA CN105980467B (zh) 2013-12-16 2014-11-26 聚合物泡沫
BR112016013692A BR112016013692A2 (pt) 2013-12-16 2014-11-26 Espuma polimérica
ES14811769T ES2774336T3 (es) 2013-12-16 2014-11-26 Espuma polimérica
JP2016539100A JP2017504682A (ja) 2013-12-16 2014-11-26 高分子発泡体
SG11201604794WA SG11201604794WA (en) 2013-12-16 2014-11-26 Polymeric foam
MX2016007871A MX2016007871A (es) 2013-12-16 2014-11-26 Espuma polimerica.
RU2016128919A RU2016128919A (ru) 2013-12-16 2014-11-26 Полимерная пена
CA2933928A CA2933928C (fr) 2013-12-16 2014-11-26 Mousse polymere
EP14811769.0A EP3083802B1 (fr) 2013-12-16 2014-11-26 Mousse polymère

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SG11201604794WA (en) 2016-07-28
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CN105980467B (zh) 2018-09-11
HUE048637T2 (hu) 2020-08-28
BR112016013692A2 (pt) 2017-08-08
TW201536843A (zh) 2015-10-01
KR102286988B1 (ko) 2021-08-06
CN105980467A (zh) 2016-09-28
EP3083802A1 (fr) 2016-10-26
MX2016007871A (es) 2016-09-07
CA2933928C (fr) 2021-11-16
JP2017504682A (ja) 2017-02-09
US20150166752A1 (en) 2015-06-18
KR20160101057A (ko) 2016-08-24
ES2774336T3 (es) 2020-07-20
EP3083802B1 (fr) 2020-01-22

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